00646nam a22001937a 450000500170000000800410001702000180005803700270007604100120010308200180011510000180013324500800015125000060023126000350023730000080027265000310028065001040031165000370041520260408171904.0260408b        |||||||| |||| 00| 0 eng d  a9789390434800  cGiftednRRRLF, Kolkata  aEnglish  a551.4bRAN/GE  aRanjan Saikia  aGEOMORPHOLOGY OF NORTH EAST INDIAb: With Special Reference of Kopili Basin  a1  aGuwahatibEBH Publishersc2021  g146  aEarth sciences; geology   aGeology, hydrology, meteorology {geology limited to properties and phenomena of the solid earth}   aSurface features of the earth